package com.atguigu.gulimall.cart.controller;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.cart.interceptor.CartInterceptor;
import com.atguigu.gulimall.cart.service.CartService;
import com.atguigu.gulimall.cart.vo.Cart;
import com.atguigu.gulimall.cart.vo.CartItem;
import com.atguigu.gulimall.cart.vo.UserInfoTo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Generated;
import java.util.List;
import java.util.concurrent.ExecutionException;

@Controller
public class CartController {

    @Autowired
    CartService cartService;

    @ResponseBody
    @GetMapping("/currentCartItems")
    public List<CartItem> getCurrentCartItems(){

        return cartService.getUserCartItems();
    }


    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){

        cartService.deleteItem(skuId);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num){

        cartService.changetItemCount(skuId,num);
        return "redirect:http://cart.gulimall.com/cart.html";
    }



    @GetMapping("/checkItem.html")
    public String checkItem(@RequestParam("skuId") Long skuId,@RequestParam("check") Integer check){
        cartService.checkItem(skuId,check);

        return "redirect:http://cart.gulimall.com/cart.html";
    }


    @GetMapping("/cart.html")
    public String CartListPage(Model model) throws ExecutionException, InterruptedException {


        //快速得到用户信息

        UserInfoTo userInfoTo = CartInterceptor.threadLocal.get();

        //没登录获取临时购物车数据

        Cart cart = cartService.getCart();

        model.addAttribute("cart",cart);
        //登录获取正式购物车数据
        return "cartList";
    }

    /**
     * 添加商品到购物车
     * @return
     */

    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num, RedirectAttributes redirectAttributes) throws ExecutionException, InterruptedException {

         cartService.addToCart(skuId,num);

        redirectAttributes.addAttribute("skuId",skuId);


        return "redirect:http://cart.gulimall.com/addToCartSuccess.html";
    }

    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId") Long skuId,Model model){
        //重定向到成功页面，再次查询购物车数据即可

        CartItem item = cartService.getCartItem(skuId);
        model.addAttribute("item",item);
        return "success";
    }
}
